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Finding the Fourth Proportional to 68,891.76, 103,241.40 and 37,233.58

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Solution

The fourth proportional to 68,891.76, 103,241.40 and 37,233.58 is: 55,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,891.76 : 103,241.40 = 37,233.58 : x
  2. Step 2: Convert to fraction form
    68,891.76/103,241.40 = 37,233.58/x
  3. Step 3: Cross multiply
    68,891.76x = 103,241.40 × 37,233.58
  4. Step 4: Simplify right side
    68,891.76x = 3,844,046,926.21
  5. Step 5: Solve for x
    x = 3,844,046,926.21/68,891.76
  6. Step 6: Final answer
    x = 55,798.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.